Articles by Jim Wheeler

Here are descriptions and comparisons of the different types of refrigerant metering systems.

The more heat you remove from the refrigerant, the more efficiently the air-conditioner system operates.

Derailing common misconceptions about the refrigeration process.

Toxic molds are a major source of concern among many people in North America today.

The phaseout of CFCs could have been avoided in our industry if recovery became mandatory.

Don't confuse global warming with atmospheric ozone depletion.

Digital HVAC systems are the future of our industry.

Our industry could be in the process of making another radical change, which may affect the way you market and sell your products for years to come.

Zoning a house with individually-controlled hand coils has great potential, but there's no need to "fluff" it up.

Among the products introduced at AHR Expo is R-417a.